APA-referens (7:e uppl.)

Siskind, C. S. (1952). Direct current machinery. McGraw-Hill.

Chicago-referens (17:e uppl.)

Siskind, Charles Seymour. Direct Current Machinery. Nueva York: McGraw-Hill, 1952.

MLA-referens (9:e uppl.)

Siskind, Charles Seymour. Direct Current Machinery. McGraw-Hill, 1952.